. MAINTENANCE SERVICE PROCEDURE WHEN REQUIRED CHECK, CLEAN OR REPLACE AIR CLEANER CHECKING 7.5 kPa. If it is the air cleaner is clogged. Clean the air cleaner element in this case, too. 4 - 21 After th e outer element has been clea ned 6 times , or if the air clean er element has been used for one year, r eplace the ou ter element , inner ELEM ENT (PAGE 4-25)".
If the m aintenance caution lamp lights up and th e charact er display displays action cod e "E01" and "AIR FI LTER" during operation i mmediat ely after the outer element is cle aned, replace the element ev en if the outer eleme nt has not bee n cleaned 6 times or the air cle aner element has n ot been used more than 1 ye NOTICE Do not r eplace the el ement bef ore the dust i ndicator reaches 7.5 k Pa. If it is c leaned frequently, the f iltering effect of the air cleaner will dro p, and this w ill reduce the service li fe of the eck if the dust in dicator (1) display s 7 playing 7.5 kPa, cle an the oute r element.
REMAR There i s maintenance caut ion lamp (2 ) on the machine m the ma intenance c aution la mp lights u p and the character (3) dis plays "E01 " and "A IR FILTER " durin g o peration,